Journal
METABOLISM-CLINICAL AND EXPERIMENTAL
Volume 62, Issue 1, Pages 21-33Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2012.05.002
Keywords
11 beta-hydroxysteroid dehydrogenase type 1; Carbenoxolone; Thiazolidinediones; Fibrates; BVT2733; INCB-13739
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Objective. Metabolic syndrome (MetS) and Cushing's syndrome share common features. It has been proposed that increased glucocorticoid activity at peripheral tissues may play a role in the pathogenesis of MetS and obesity-related disorders. It is well-known that intracellular cortisol concentrations are determined not only by plasma levels but also by the activity of 11 beta-hydroxysteroid dehydrogenase type 1 (11 beta-HSD1) which catalyzes the conversion of inactive cortisone to active cortisol, especially in the liver and adipose tissue. Another isoenzyme exists, the 11 beta-hydroxysteroid dehydrogenase type 2, which acts in the opposite direction inactivating cortisol to cortisone in the kidney. This review considers the significance of the 11 beta-HSD1 inhibition in the treatment of several features of MetS and provides current data about the development of 11 beta-HSD1 inhibitors, as new agents for this purpose. Materials/Methods. Using PubMed, we searched for publications during the last 20 years regarding the development of 11 beta-HSD1 inhibitors. Results. Emerging data from animal and human studies indicate an association of 11 beta-HSD1 over-expression with obesity and disorders in glucose and lipid metabolism. This has led to the hypothesis that selective inhibition of 11 beta-HSD1 could be used to treat MetS and diabetes. Indeed, natural products and older agents such as thiazolidinediones and fibrates seem to exert an inhibitory effect on 11 beta-HSD1, ameliorating the cardiometabolic profile. In view of this concept, novel compounds, such as adamantyltriazoles, arylsulfonamidothiazoles, anilinothiazolones, BVT2733, INCB-13739, MK-0916 and MK-0736, are currently under investigation and the preliminary findings from both experimental and human studies show a favourable effect on glucose and lipid metabolism, weight reduction and adipokine levels. Conclusions. Many compounds inhibiting 11 beta-HSD1 are under development and preliminary data about their impact on glucose metabolism and obesity-related disorders are encouraging. (C) 2013 Elsevier Inc. All rights reserved.
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